481 Thomsen Ave, Dillon, MT 59725 Property Records

Beaverhead County property record for 481 Thomsen Ave, Dillon, MT 59725

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 823 sqft · built 1920
Lot Size0.174 acres (7,579 sqft)
OwnerIndividual Name on Record
Tax Bill$207 (2026)
Flood ZoneZone X (minimal risk)
APNR1815931

Property Details

APN / Parcel Number

Primary APNR1815931
Alternative APNs
  • 18-0326-19-1-36-06-0000
  • 0000400911

Interior

Bedrooms3 Beds
Full Baths1 Bath
Plumbing Fixtures5 Plumbing Fixtures
Total Rooms5 Rooms
Stories1 Story
Building Area823 sqft Living Area
1st Floor Area686 sqft
AtticAttic
Attic Area137 sqft

Exterior

Year BuiltBuilt 1920
Effective Year BuiltEffective 1980
Architectural StyleConventional
Exterior MaterialWood
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area7,579 sqft (0.174 acres)
Lot Dimensions115 ft deep x 66 ft wide
Garage TypeCarport
CarportCarport
Parking Spaces2 Parking Spaces
PorchSlab
Porch Area197 sqft
Shed1 Shed

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemFloor/Wall Furnace
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Account Number0000400911
Street Address481 THOMSEN AVE
CityDILLON
StateMT
Zip59725-2951
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning Code1
Legal DescriptionTHOMSEN ADD (DILLON), S19, T07 S, R08 W, BLOCK 1, LOT 10B, ACRES 0.174
Legal Range08W
Legal Township07S
Legal Section19
Legal SubdivisionTHOMSEN ADD (DILLON)
Legal Block1
Legal Lot Number10B
JurisdictionBEAVERHEAD MT
Township / Civil DivisionDILLON
Census Block Group1
Census Block1062
Census Tract300

Owner

Source: Beaverhead County records, as of August 18, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on Record
Mailing Address481 THOMSEN AVE, DILLON, MT 59725-2951
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last Transfer DateAug 21, 2024
Transfer Doc0000309106
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Beaverhead County assessment roll, as of August 18, 2026

Property Jurisdictions

TypeName
StateMontana
CountyBeaverhead County
MunicipalityDillon City
Secondary School DistrictBeaverhead County High School District (09 - 12)
Elementary School DistrictDillon Elementary School District (PK - 08)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$207.00 (-55.96%) Homeowner's exemption$208,100 (-)
2025$470.00 (-6.93%)$208,100 (+20.71%)$208,100 (+20.71%) Land $68,155 Building $139,945
2023$505.00$172,400$172,400 Land $73,202 Building $99,198

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective September 28, 2023 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies1 in force
Nearby Flood Claims2 (1984)
Claims Outside the SFHA1 of 2
Most Recent ClaimJun 1984 · tidal / storm surge

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 99.1% of the US · lower than 99.8% of Montana
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCITY OF DILLON
serves 4,300 people · EPA ID MT0000201
Water SourceGroundwater
Last State InspectionSep 2024
Lead3 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. The service area is an EPA estimate; the actual supplier may differ.

Internet Providers

Source: FCC Broadband Data Collection, based on 242 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable · Fiber in parts of the area
1,000 / 1,000
Starlink
Satellite
280 / 30

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